- Multiphase bidirectional flyback converter topology for hybrid electric vehicles
T Bhattacharya, VS Giri, K Mathew, L Umanand
IEEE Transactions on Industrial Electronics 56 (1), 78-84
- A multilevel inverter system for an induction motor with open-end windings
VT Somasekhar, K Gopakumar, MR Baiju, KK Mohapatra, L Umanand
IEEE transactions on industrial electronics 52 (3), 824-836
- A harmonic elimination and suppression scheme for an open-end winding induction motor drive
KK Mohapatra, K Gopakumar, VT Somasekhar, L Umanand
IEEE transactions on Industrial Electronics 50 (6), 1187-1198
- Estimation of global radiation using clearness index model for sizing photovoltaic system
R Kumar, L Umanand
Renewable Energy 30 (15), 2221-2233
- Five-level inverter voltage-space phasor generation for an open-end winding induction motor drive
MR Baiju, K Gopakumar, KK Mohapatra, VT Somasekhar, L Umanand
IEE Proceedings-Electric Power Applications 150 (5), 531-538
- Online estimation of stator resistance of an induction motor for speed control applications
L Umanand, SR Bhat
IEE Proceedings-Electric Power Applications 142 (2), 97-103
- Modelling of switching systems in bond graphs using the concept of switched power junctions
AC Umarikar, L Umanand
Journal of the Franklin Institute 342 (2), 131-147
- A multi level space phasor based PWM strategy for an open-end winding induction motor drive using two inverters with different DC link voltages
EG Shivakumar, VT Somasekhar, Krushna K Mohapatra, K Gopakumar, L Umanand, SK Sinha
Power Electronics and Drive Systems, 2001. Proceedings., 2001 4th IEEE International Conference
- Modeling and design of a solar thermal system for hybrid cooking application
UR Prasanna, L Umanand
Applied Energy 88 (5), 1740-1755
- A high resolution multilevel voltage space phasor generation for an open-end winding induction motor drive
MR Baiju, K Gopakumar, KK Mohapatra, VT Somasekhar, L Umanand
EPE Journal 13 (4), 29-37
- Improved flux estimation and stator-resistance adaptation scheme for sensorless control of induction motor
T Bhattacharya, L Umanand
IEE Proceedings-Electric Power Applications 153 (6), 911-920
- A multi axis space phasor based current hysteresis controller for PWM inverters
VM Mistry, SP Waikar, K Gopakumar, L Umanand, VT Ranganathan
Power Electronics and Drive Systems, 1997. Proceedings., 1997 International Conference
- Power factor improvement using DCM Cuk converter with coupled inductor
G Ranganathan, L Umanand
IEE Proceedings-Electric Power Applications 146 (2), 231-236
- A Space Vector Based PWM Method Using Only the Instantaneous Amplitudes of Reference Phase Voltages for Three Level Inverters
MR Baiju, K Gopakumar, VT Somasekhar, KK Mohapatra, L Umanand
EPE Journal 13 (2), 35-45
- Optimization and design of energy transport system for solar cooking application
UR Prasanna, L Umanand
Applied energy 88 (1), 242-251
- Negative sequence compensation within fundamental positive sequence reference frame for a stiff micro-grid generation in a wind power system using slip ring induction machine
T Bhattacharya, L Umanand
IET electric power applications 3 (6), 520-530
- Bond graph model of doubly fed three phase induction motor using the Axis Rotator element for frame transformation
BU Rai, L Umanand
Simulation Modelling Practice and Theory 16 (10), 1704-1712
- Integrated magnetics-based multisource quality ac power supply
S Roy, L Umanand
IEEE Transactions on Industrial Electronics 58 (4), 1350-1358
- Modelling of switched mode power converters using bond graph
AC Umarikar, L Umanand
IEE Proceedings-Electric Power Applications 152 (1), 51-60
- A novel modulation scheme for a six phase induction motor with open-end windings
KK Mohapatra, K Gopakumar, VT Somasekhar, L Umanand
IECON 02 [Industrial Electronics Society, IEEE 2002 28th Annual Conference
- Adaptation of the rotor time constant for variations in the rotor resistance of an induction motor
L Umanand, SR Bhat
Power Electronics Specialists Conference, PESC’94 Record., 25th Annual IEEE Conference
- Optimal and robust digital current controller synthesis for vector-controlled induction motor drive systems
L Umanand, SR Bhat
IEE Proceedings-Electric Power Applications 143 (2), 141-150
- Integrated magnetics based multi-port bidirectional DC-DC converter topology for discontinuous-mode operation
D Gunasekaran, L Umanand
IET Power Electronics 5 (7), 935-944
- Rotor position estimator for stator flux-oriented sensorless control of slip ring induction machine
T Bhattacharya, L Umanand
IET Electric Power Applications 3 (1), 67-76
- Solar powered high voltage energization for vehicular exhaust cleaning: A step towards possible retrofitting in vehicles
BS Rajanikanth, S Mohapatro, L Umanand
Fuel Processing Technology 90 (3), 343-352
- Bond graph toolbox for handling complex variable
B Umesh, RL Umanand
IET control theory & applications 3 (5), 551-560
- Multi axis space phasor based multi level current hysteresis controller for an open-end winding induction motor fed from dual inverters
MR Baiju, K Gopakumar, L Umanand, A Pittet
Proc. 29th European Conf. on Intelligent Motion (PCIM), Nurnberg, Germany
- Direct torque control of induction motor with extended Kalman filter
L Umanand, NJ Rao
Power Electronics and Motion Control Conference, 2000. Proceedings. IPEMC
- Switched junctions in bondgraph for modelling power electronic systems
L Umanand
Journal of the Indian Institute of Science 80 (4), 327
- Medium voltage drive for induction motors using multilevel octadecagonal voltage space vectors
K Mathew, K Gopakumar, J Mathew, NA Azeez, A Dey, L Umanand
IEEE Transactions on Power Electronics 28 (7), 3573-3580
- Multilevel dodecagonal space-vector generation for induction motor drives by cascading three-level and two-level inverters
K Mathew, J Mathew, NA Azeez, A Dey, L Umanand, K Gopakumar
IET Power Electronics 5 (8), 1324-1332
- Magnetic arm-switch-based three-phase series-shunt compensated quality AC power supply
S Roy, L Umanand
IET electric power applications 6 (2), 91-100
- Bond graph simulation and symbolic extraction toolbox in MATLAB/SIMULINK
AC Umarikar, T Mishra, L Umanand
J. Indian Inst. Sci 86, 45-68
- Non-disruptive and null-deflection mass flow measurement by a pressure compensation technique
UR Prasanna, L Umanand
Flow Measurement and Instrumentation 21 (1), 54-61
- Control technique for non-linear and unbalance compensation of an integrated magnetics-based three-phase series-shunt-compensated uninterruptible power supply
S Roy, L Umanand
IET Power Electronics 5 (1), 95-105
- Modeling of a pressure modulated desalination system using bond graph methodology
R Kumar, L Umanand
Applied Energy 86 (9), 1654-1666
- A PWM scheme for a 3-level inverter cascading two 2-level inverters
VT Somasekhar, K Gopakumar, MR Bauu, KK Mohapatra, L Umanand
Journal of Indian Insitute of Science 82 (1), 23-36
- A multi-winding transformer based power converter topology for a growing DC micro-grid structure
D Gunasekaran, L Umanand
2012 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)
- Generalised bond graph model of a rotating machine
UB Rai, L Umanand
International Journal of Power Electronics 1 (4), 397-413
- Macroscopic model of city traffic using bond graph modelling
UR Prasanna, M Srinivas, L Umanand
International Journal of Engineering Systems Modelling and Simulation
- An Investigation Into Even Harmonic Injection in Pole Voltages of a Single-Phase Inverter.
L Patnaik, G Narayanan, L Umanand
Indian Institute of Technology Roorkee.
- Micro stepping of shape memory alloy based poly phase motor
SV Sharma, MM Nayak, NS Dinesh, L Umanand
Industrial Technology, 2008. ICIT 2008. IEEE International Conference
- Shaft-Transducerless Rotor Field Orientation in an Induction Motor with Stator Resistance Adaptation
L Umanand, SR Bhat
PROCEEDINGS OF THE INTERNATIONAL INTELLIGENT MOTION CONFERENCE
- Multilevel Dodecagonal Voltage Space Vector Structure Generation for Open-End Winding IM Using a Single DC Source
M Boby, S Pramanick, RS Kaarthik, SA Rahul, K Gopakumar, L Umanand
IEEE Transactions on Industrial Electronics 63 (5), 2757-2765
- Low-pollution three-wheeler autorickshaw with power-assist series hybrid and novel variable DC-link voltage system
A Vezzini, H Sharan, L Umanand
Journal of the Indian Institute of Science 85 (2), 105
- Turbine emulator for development of variable speed microhydro power generation systems
R Joseph, L Umanand
Sustainable Energy Technologies (ICSET), 2012 IEEE Third International Conference
- Bond graph model of an induction machine with hysteresis nonlinearities
BU Rai, L Umanand
Nonlinear Analysis: Hybrid Systems 4 (3), 395-405
- Kinematics and dynamics of Jansen leg mechanism: A bond graph approach
L Patnaik, L Umanand
Simulation Modelling Practice and Theory 60, 160-169
- Nine level inverter for open end induction motor with eight switches per phase
A Kshirsagar, RS Kaarthik, L Umanand, K Gopakumar, K Rajashekara
Industrial Electronics Society, IECON 2015-41st Annual Conference of the IEEE
- A brushless wound rotor induction generator for variable speed microhydel plants without ballast load
R Joseph, L Umanand
IEEE Transactions on Sustainable Energy 6 (1), 20-2
- Analysis of the modulation process in advanced bus-clamping PWM techniques
VSSPK Hari, G Narayanan, R Joseph, L Umanand
Industrial Electronics Society, IECON 2013-39th Annual Conference of the IEEE
- Slip power optimisation in turbine-generator systems for variable speed distributed microhydel power generation
R Joseph, L Umanand
Global Humanitarian Technology Conference: South Asia Satellite (GHTC-SAS), 2013 IEEE
- Design of robust optimal PI controller for PMSM servo drives
MR LOURDE, L Umanand, NJ Rao
Journal of the Indian Institute of Science 77 (5), 469
- Modified current space vector based Powerline Communication method for distributed inverters interfaced smart grids
NR Srinivas, L Umanand
2012 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)
- Multilevel octadecagonal space vector generation for induction motor drives by cascading asymmetric three level inverters
K Mathew, K Gopakumar, J Mathew, NA Azeez, A Dey, L Umanand
IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society
- Energy Optimization and Modeling of Hybrid Solar Cooking with Heat Mass Transfer Control using Bond Graph Technique
UR Prasanna, L Umanand
- Multi power port converter for hybrid electric vehicles using multi phase bidirectional fly-back topology
T Bhattacharya, S Giri, K Mathew, L Umanand
Industrial Technology, 2006. ICIT 2006. IEEE International Conference
- Modeling and simulation of a sensor less vector control of hybrid step motor
K Muthukumar, SK Sinha, K Gopakumar, L Umanand
Incremental Motion Control Systems and Devices Symposium, Berkley 2000
- A Simple Hysteretic Energy Harvesting Method for Nonneutral AC Switches in Load Automation
A Karthik, L Umanand
IEEE Transactions on Power Electronics 31 (7), 4906-4915
- Physical constraints, fundamental limits, and optimal locus of operating points for an inverted pendulum based actuated dynamic walker
L Patnaik, L Umanand
Bioinspiration & biomimetics 10 (6), 064001
- Active Power Decoupling with Reduced Converter Stress for Single-Phase Power Conversion and Interfacing
S Bhowmick, L Umanand
- Harmonic current injection based powerline communication method for grid connected single phase inverters in domestic microgrids
NR Srinivas, L Umanand
2013 IEEE Innovative Smart Grid Technologies-Asia (ISGT Asia)
- A new bidirectional topology for electric vehicles
R Gautham, P SUNDARESON, L Umanand
Journal of the Indian Institute of Science 80 (4), 319
- Hybrid Solar Cooking
UR Prasanna, L Umanand
- Dynamic pressure modulation for solar desalination system
R Kumar, L Umanand
Desalination 249 (1), 90-98
- Parallel Hybrids–A Retrofit Model
L Umanand
Power Electronic Systems
- Shaft sensorless vector controlled PMSM servo drive using reduced order speed observer
RM Lourde, L Umanand, NJ Rao
IETE Journal of Research 46 (1-2), 77-86
- Modeling of a Desalination System with Pressure Modulation using Bond Graph Approach
R Kumar, L Umanand
- Low Switch Count Nine Level Inverter Topology for Open End Induction Motor Drives
A Kshirsagar, RS Kaarthik, K Gopakumar, L Umanand, K Rajashekara
IEEE Transactions on Industrial Electronics
- Fifth and Seventh Order Harmonic Elimination with Multilevel Dodecagonal Voltage Space Vector Structure for IM Drive Using a Single DC Source for the Full Speed Range
K Gopakumar, M Boby, S Pramanick, S Kaarthik, L Umanand
IEEE
- IONS: A Quadruped Robot for Multi-terrain Applications
SP Agrawal, H Dagale, N Mohan, L Umanand
- IONS-A Quadruped Robot for Multi-terrain Applications
N Mohan, SP Agrawal, H Dagale, L Umanand
- Spatiotemporal Modeling of Wind Generation for Optimal Energy Storage Sizing…….. HV Haghi and S. Lotfifard 113 Comparative Study of Advanced Signal Processing Techniques for Islanding Detection in a Hybrid Distributed Generation System………………………………. SR Mohanty, N. Kishor, PK Ray, and JPS Catalao 122 Adaptive Droop Control Strategy for Load Sharing and Circulating Current Minimization in Low-Voltage Standalone DC Microgrid…………………………………… S. Augustine, MK Mishra, and N. Lakshminarasamma 132
J Stuyts, G Horn, W Vandermeulen, J Driesen, M Diehl, R Joseph, L Umanand